Winsock

#include <windows.h>
#include <winsock.h>
#include <stdio.h>

#define NET_OK	0
#define NET_ER	-1

#define PORT 1985

void GreetUser(void)
{
    puts("Welcome to Andy's Network\n");
    printf("You are running a Server on Port %d\n", PORT);
}

int main(int argc, char* argv[])
{
    int FromLen;

    SOCKET Server, Client;
    WSADATA WinSockData;

    struct sockaddr_in MySockAddr, From;

    if ( (WSAStartup(0x101, &WinSockData)) != 0 )
    {
	puts("WSA has failed");

	return NET_ER;
    }

    FromLen = sizeof(From);
    MySockAddr.sin_family = AF_INET;
    MySockAddr.sin_addr.s_addr = INADDR_ANY;
    MySockAddr.sin_port = htons(PORT);

    if ( (socket(AF_INET, SOCK_STREAM, 0)) == -1 )
    {
	puts("Socket has failed");

	return NET_ER;
    }

    if ( (bind(Server, (sockaddr*) &MySockAddr, sizeof(struct sockaddr))) != 0 )
    {
	puts("Bind has failed");

        return NET_ER;
    }

    if ( (listen(Server, 10)) != 0 )
    {
	puts("Listen has failed");

        return NET_ER;
    }

    while (1)
    {
        Client = accept(Server, (sockaddr*) &From, &FromLen);

        printf("Your IP is %s\n", (inet_ntoa(From.sin_addr)) );

        send(Client, "Hello", strlen("Hello"), 0);
        printf("Connection from %s\n", (inet_ntoa(From.sin_addr)) );
		
        closesocket(Client);

    }

    closesocket(Server);

    WSACleanup();

    return NET_OK;
}